For a Particular Weak Acid, HA, in Pure Water, as the Initial

For a particular weak acid, HA, in pure water, as the initial concentration of the weak acid increases, the acid-dissociation equilibrium constant of that acid should

A) increase.
B) decrease.
C) remain the same.
D) increase until the ionization of water can be neglected.
E) decrease until the ionization of water can be neglected.